1083905149644 has 24 divisors (see below), whose sum is σ = 2810124462320. Its totient is φ = 361301716512.

The previous prime is 1083905149643. The next prime is 1083905149669. The reversal of 1083905149644 is 4469415093801.

1083905149644 is a `hidden beast` number, since 1 + 0 + 8 + 39 + 0 + 514 + 96 + 4 + 4 = 666.

1083905149644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1083905149643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018079289 + ... + 5018079504.

Almost surely, 2^{1083905149644} is an apocalyptic number.

It is an amenable number.

1083905149644 is an abundant number, since it is smaller than the sum of its proper divisors (1726219312676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1083905149644 is a wasteful number, since it uses less digits than its factorization.

1083905149644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036158806 (or 10036158798 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 1083905149644 in words is "one trillion, eighty-three billion, nine hundred five million, one hundred forty-nine thousand, six hundred forty-four".